:root{--ink:#17212b;--muted:#66727d;--bg:#eef2f3;--panel:#fff;--line:#d5dde0;--accent:#176b87;--accent2:#e59b42;--green:#21806d;--danger:#b42318;--shadow:0 18px 50px rgba(25,46,57,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:10px}.topbar{height:64px;background:#153746;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:40}.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;font-weight:800}.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;font-size:19px}.topnav{display:flex;gap:16px;align-items:center}.topnav 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